n. 1. A person, usually male, who is prone to fucking abnormally fat people of the opposite sex due to the fact that they are desperate and/or intoxicated.

1. Mike is turning into a real whale tagger with all the fat bitches he's been fucking.
2. "Hey, did you know about that chick that Mike hooked up with last night?"
"Yeah, next time he should bring a harpoon for that bitch she was huge!"
"I guess whale tagging is in season all year around for him"